SonicWall’s Flaw Fix: Outrunning the Overstep Malware Menace!
SonicWall has patched a critical flaw in SMA 100 appliances, tracked as CVE-2025-40599. This vulnerability allowed Overstep malware attacks, letting remote attackers upload arbitrary files. Users are urged to update immediately, lest they want their devices turned into the Swiss cheese of cybersecurity—full of holes and questionable substance.

Hot Take:
**_Whoa, SonicWall! Fixing a vulnerability with a CVSS score of 9.1 is like putting out a fire with a single fire extinguisher while wearing a blindfold. Hats off to them for managing to douse the flames before the Overstep malware turned everything into a crispy critter. But remember folks, when it comes to cybersecurity, it’s not just about dodging bullets but also about wearing a bulletproof vest. Keep those systems updated and maybe hire a psychic to predict the next attack vector._**
Key Points:
– SonicWall patched a critical flaw (CVE-2025-40599) in SMA 100 appliances, with a CVSS score of 9.1.
– The flaw allowed authenticated arbitrary file uploads, leading to potential remote code execution.
– Threat actor UNC6148 exploited this through Overstep malware, involving a backdoor and rootkit.
– Overstep malware uses sophisticated techniques for persistence and stealthy access.
– Google’s Threat Intelligence Group linked UNC6148 activities to ransomware operations.